Lyon County, NV Water Use Rules: Recycled Water Rules (2026)

Lyon County Code Title 9, Chapter 7 sets development standards for water, sewer and reclaimed water systems that developers must satisfy before the county's water service provider approves improvement plans. Section 9.07.03(A)(1) requires an engineering analysis showing a proposed system delivers adequate flow and pressure, and specifically states that reclaimed water systems must meet the 2006 or most current version of the LCUD reclaimed water standards unless the service provider accepts a substitute standard that the Nevada Division of Environmental Protection has also approved for that development.

On sizing and material, subsection A(2) sets a minimum water main diameter of eight inches unless the service provider approves otherwise, and requires reclaimed (RCW) mains to be PVC C-900 CL 150 or 200 pipe manufactured purple, a color code carried through to reclaimed meter boxes under subsection A(5) so crews and inspectors can tell a recycled line from a potable one on sight. Valve spacing differs by system: potable distribution valves are capped at 500 feet apart, while reclaimed water valves get more latitude at up to 1,320 feet, still subject to service provider approval.

Section 9.07.02 requires improvement plans to note by name whether a meter serves domestic or irrigation use, and section 9.07.01 defines the developments, subdivisions, PUDs, parcel maps, new construction and qualifying remodels, that trigger a main extension obligation in the first place. A reclaimed main is not required to extend to a parcel that will not connect to it, and any connection still needs approval from local and state agencies in addition to the service provider.